* [PATCH] clk: rockchip: also protect hclk_peri as critical
@ 2014-09-10 15:52 Heiko Stübner
2014-09-10 17:42 ` Mike Turquette
0 siblings, 1 reply; 2+ messages in thread
From: Heiko Stübner @ 2014-09-10 15:52 UTC (permalink / raw)
To: linux-arm-kernel
The dwc2 usb controller also uses agressive clock gating, which in this
case leads to hclk_peri getting disabled and hanging the system.
Therefore move it to the critical clocks until we also control that
part of the system.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
drivers/clk/rockchip/clk-rk3188.c | 1 +
drivers/clk/rockchip/clk-rk3288.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index 1892c66..9f9937e 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -602,6 +602,7 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
static const char *rk3188_critical_clocks[] __initconst = {
"aclk_cpu",
"aclk_peri",
+ "hclk_peri",
};
static void __init rk3188_common_clk_init(struct device_node *np)
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index 43e0ad0..c76b16d 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -683,6 +683,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
static const char *rk3288_critical_clocks[] __initconst = {
"aclk_cpu",
"aclk_peri",
+ "hclk_peri",
};
static void __init rk3288_clk_init(struct device_node *np)
--
2.0.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] clk: rockchip: also protect hclk_peri as critical
2014-09-10 15:52 [PATCH] clk: rockchip: also protect hclk_peri as critical Heiko Stübner
@ 2014-09-10 17:42 ` Mike Turquette
0 siblings, 0 replies; 2+ messages in thread
From: Mike Turquette @ 2014-09-10 17:42 UTC (permalink / raw)
To: linux-arm-kernel
Quoting Heiko St?bner (2014-09-10 08:52:02)
> The dwc2 usb controller also uses agressive clock gating, which in this
> case leads to hclk_peri getting disabled and hanging the system.
> Therefore move it to the critical clocks until we also control that
> part of the system.
>
> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Applied to clk-next.
Regards,
Mike
> ---
> drivers/clk/rockchip/clk-rk3188.c | 1 +
> drivers/clk/rockchip/clk-rk3288.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
> index 1892c66..9f9937e 100644
> --- a/drivers/clk/rockchip/clk-rk3188.c
> +++ b/drivers/clk/rockchip/clk-rk3188.c
> @@ -602,6 +602,7 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
> static const char *rk3188_critical_clocks[] __initconst = {
> "aclk_cpu",
> "aclk_peri",
> + "hclk_peri",
> };
>
> static void __init rk3188_common_clk_init(struct device_node *np)
> diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
> index 43e0ad0..c76b16d 100644
> --- a/drivers/clk/rockchip/clk-rk3288.c
> +++ b/drivers/clk/rockchip/clk-rk3288.c
> @@ -683,6 +683,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
> static const char *rk3288_critical_clocks[] __initconst = {
> "aclk_cpu",
> "aclk_peri",
> + "hclk_peri",
> };
>
> static void __init rk3288_clk_init(struct device_node *np)
> --
> 2.0.1
>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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